Wireless signal sensor



FIG. 1 is a front perspective view of a first embodiment of a wireless signal sensor showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a front perspective view of a second embodiment of a wireless signal sensor showing our new design;

FIG. 9 is a front view thereof;

FIG. 10 is a rear view thereof;

FIG. 11 is a left side view thereof;

FIG. 12 is a right side view thereof;

FIG. 13 is a top view thereof; and,

FIG. 14 is a bottom view thereof.

The broken line showing of the wireless signal sensor in the Figures are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a wireless signal sensor, as shown and described. 